Commit 99cf7293 authored by Bernhard Reutner-Fischer's avatar Bernhard Reutner-Fischer
Browse files

- add cc-option and use it to check for stuff that is benefical for PREFER_IMA 

- backport the libbackend.o gcov-iov.h dependency fixup from 4.2 to 4.0
parent e5b36a68

Makefile

+7 −0
Original line number Diff line number Diff line
@@ -38,6 +38,13 @@ endif 


ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)



# cc-option

# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)

# sets -march=winchip-c6 if supported else falls back to -march=i586

# without checking the latter.

cc-option = $(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \

	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)



#############################################################

#

# The list of stuff to build for the target toolchain

package/setserial/setserial.mk

+1 −1
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@ endif 
	touch $@



ifeq ($(BR2_PREFER_IMA),y)

SETSERIAL_CFLAGS=--combine -fwhole-program

SETSERIAL_CFLAGS=--combine $(CFLAGS_WHOLE_PROGRAM)

endif



$(SETSERIAL_DIR)/.configured: $(SETSERIAL_DIR)/.unpacked

toolchain/Makefile.in

+3 −0
Original line number Diff line number Diff line
@@ -14,5 +14,8 @@ endif 
# FIXME -- this is temporary

OPTIMIZE_FOR_CPU=$(ARCH)



# late binding check to see if the target cc supports -fwhole-program

CFLAGS_WHOLE_PROGRAM = $(call cc-option,-fwhole-program,)



# gcc has a bunch of needed stuff....

include toolchain/gcc/Makefile.in

toolchain/gcc/4.0.4/402-libbackend_dep_gcov-iov.h.patch

0 → 100644
+11 −0
Original line number Diff line number Diff line 
--- gcc-4.0.4.orig/gcc/Makefile.in	2007-02-12 11:35:43.000000000 +0100

+++ gcc-4.0.4/gcc/Makefile.in	2007-02-12 11:38:04.000000000 +0100

@@ -2202,7 +2202,7 @@ mips-tdump.o : mips-tdump.c $(CONFIG_H) 

 # FIXME: writing proper dependencies for this is a *LOT* of work.

 libbackend.o : $(OBJS-common:.o=.c) $(out_file) \

   insn-config.h insn-flags.h insn-codes.h insn-constants.h \

-  insn-attr.h

+  insn-attr.h gcov-iov.h

 	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \

 	  -DTARGET_NAME=\"$(target_noncanonical)\" \

 	  -DLOCALEDIR=\"$(localedir)\" \